From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D0C1C4320E for ; Tue, 31 Aug 2021 14:53:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F00EF604D7 for ; Tue, 31 Aug 2021 14:53:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238638AbhHaOyc (ORCPT ); Tue, 31 Aug 2021 10:54:32 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:38688 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237512AbhHaOya (ORCPT ); Tue, 31 Aug 2021 10:54:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1630421614; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6VDF51hxbfpaWMVUumQtD4q9C2aOAsvQD3/LfZAqP4M=; b=IAB4wrN81/1x03eEc3o6hVfdnVinEDlD/P28GEZVajAy6EaVwuMqyp8iIHOBE9iu4qu1QB XdP3yYMcYm2FmzI+98Kxpj/E2cGUW/flb9clqWJA9tFbsTL5RAEfNymMeyJLfE2tBMtMzw zEQPC5iYiB0IOxGH9VfA/xK53lko7Io= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-337--Huv94v8MHuvhrLJ3XR8Ew-1; Tue, 31 Aug 2021 10:53:33 -0400 X-MC-Unique: -Huv94v8MHuvhrLJ3XR8Ew-1 Received: by mail-wm1-f69.google.com with SMTP id f19-20020a1c1f13000000b002e6bd83c344so1433022wmf.3 for ; Tue, 31 Aug 2021 07:53:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=6VDF51hxbfpaWMVUumQtD4q9C2aOAsvQD3/LfZAqP4M=; b=NYBND1v8LCuecZtWrdUcx1HloaOqQMJ2su9G5qeI1BFsbzIBufJNtqEbBfMEaETclg S72omlJu+tgqs+1vpMxYu0yKo83wTuFf3xtiwfJDXyjv49MSNwhNnHwkcJDhuGffMvzI vTOcOOs2rJL2fvQh5gVbyoj6DWW5DiK6dI2OfkhdiYU6Ul9JQnlCXr7/zAQIKyB30zwI ZnQLA+XyBJMa+bwHfdLbMpoywzwxAPfaOcvT4+DzQ3jGKDd+G96odnHhm6AThHneCr4k IHoWXVV6VZ+JEcloVxMm1qhWLsKqO9HofbGQOax4Ot+WSPZVzHduEdmnLHY+1QnjLq17 dAMg== X-Gm-Message-State: AOAM531+8nFtKrvMAWBiXCNQiYT/yLWiONIKexoGo735jwILEynhx8Y3 pzR/6RM9Rq7tj/d4yGVJu+GWF0OlO/a/NCEkF/pSAU6+VFpDBTtrHrNF+dW3jp1hpov+EpAn5an AR7svl3SbMRJmhQYVIgBy5YA6 X-Received: by 2002:a05:600c:acd:: with SMTP id c13mr4662697wmr.28.1630421612335; Tue, 31 Aug 2021 07:53:32 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzZpt4uPbrs+nBeQjdBZh+eSaDaqLcdwE8DpAhzNPYPYTbfR/TjMmmGpI29u6Qa4UQlZ2PqaQ== X-Received: by 2002:a05:600c:acd:: with SMTP id c13mr4662677wmr.28.1630421612150; Tue, 31 Aug 2021 07:53:32 -0700 (PDT) Received: from [192.168.3.132] (p4ff23bf5.dip0.t-ipconnect.de. [79.242.59.245]) by smtp.gmail.com with ESMTPSA id l21sm2638372wmh.31.2021.08.31.07.53.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 31 Aug 2021 07:53:31 -0700 (PDT) Subject: Re: [RFC][PATCH] mm/page_isolation: tracing: trace all test_pages_isolated failures To: "George G. Davis" , Andrew Morton , "open list:MEMORY MANAGEMENT" , open list Cc: Eugeniu Rosca , "George G. Davis" References: <20210823202823.13765-1-george_davis@mentor.com> From: David Hildenbrand Organization: Red Hat Message-ID: <4f680b5a-9076-3ba4-caea-bdd6eafeb899@redhat.com> Date: Tue, 31 Aug 2021 16:53:31 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210823202823.13765-1-george_davis@mentor.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23.08.21 22:28, George G. Davis wrote: > From: "George G. Davis" > > Some test_pages_isolated failure conditions don't include trace points. > For debugging issues caused by "pinned" pages, make sure to trace all > calls whether they succeed or fail. In this case, a failure case did not > result in a trace point. So add the missing failure case in > test_pages_isolated traces. In which setups did you actually run into these cases? -- Thanks, David / dhildenb